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Matches 51 - 100 out of 9,014

Document Document Title
WO/2023/192759A1
Embodiments described herein relate to tethered phosphine-borane catalyst complexes for the polymerization of one or more epoxides and one or more of CO2, COS, and CS2. The catalysts can also polymerize cyclic monomers such as lactones a...  
WO/2023/181695A1
The purpose of the present invention is to provide: a polycarbonate resin which can satisfy all of a refractive index, an Abbe number, heat resistance, and birefringence; and an optical member containing the same. This thermoplastic resi...  
WO/2023/182378A1
The present invention provides: a polycarbonate resin that includes a structural unit represented by formula (1) (in which A is an optionally substituted trivalent alicyclic moiety, and B is an optionally substituted monovalent alicyclic...  
WO/2023/182859A1
The polycarbonate copolymer of the present invention comprises: a unit derived from at least one type of primary dihydroxyl compound; and a unit derived from at least two types of secondary dihydroxyl compounds, wherein the polycarbonate...  
WO/2023/182597A1
The present application relates to a polycarbonate resin comprising a unit represented by chemical formula 1, a method for manufacturing same, a polycarbonate resin composition comprising same, and a molded product comprising the polycar...  
WO/2023/182589A1
The present application relates to: a polycarbonate resin comprising a unit represented by chemical formula 1 and a unit represented by chemical formula 2; a method for manufacturing same; a polycarbonate resin composition comprising sam...  
WO/2023/182652A1
The present application relates to a polycarbonate resin comprising a unit of chemical formula 1, a method for preparing same, a polycarbonate resin composition comprising same, and a molded article comprising the polycarbonate resin com...  
WO/2023/183081A1
A method for synthesizing polyhydroxyurethane polymers by using cyclic carbonates, amines, and base catalysts. A method for synthesizing polyhydroxyurethane (PHU) and polyimine (PI) hybrid polymer (PHU-PI) by using a multivalent cyclic c...  
WO/2023/178160A1
The present disclosure describes compositions that can be used in the treatment of an ocular injury or disease in a subject in need thereof. Methods of preparing the compositions are also described. The compositions can include one or mo...  
WO/2023/175341A1
New block polymers are described, as well as processes for preparing them using ring-opening polymerisation and ring-opening copolymerisation techniques. Also described are electrolytes, cathodes and batteries comprising the polymers.  
WO/2023/174284A1
Disclosed in the present invention are a PBT composition, a preparation method therefor and the use thereof. The PBT composition of the present invention comprises the following components in parts by weight: 35-45 parts of PBT resin, 10...  
WO/2023/175340A1
New block polymers are described, as well as processes for preparing them using a ring-opening copolymerisation technique. Also described are electrolytes, cathodes and batteries comprising the polymers.  
WO/2023/173685A1
The present disclosure relates to a biocompostable and biodegradable transparent modified bio-based material, achieving the same performance as thin film materials in the field of self-adhesive applications. The preparation method compri...  
WO/2023/171792A1
This is a modified polyester-based elastomer in which a polyester polyether block copolymer, comprising an aromatic polyester-containing hard segment and a polyalkylene ether glycol-containing soft segment, is modified by an unsaturated ...  
WO/2023/171578A1
[Problem] The present invention addresses the problem of providing: a thermoplastic resin which has excellent moldability, while having good hue and high chemical resistance; and the like. [Solution] The above problem is solved by a ther...  
WO/2023/166489A1
A thermoplastic composition comprising: 75 to 98 wt% of a poly(carbonate-siloxane-arylate) and optionally a poly(carbonate-arylate); a poly(carbonate-siloxane) having 30-70 wt% siloxane content, preferably 0.5 to less than 4 wt%, based o...  
WO/2023/163026A1
The purpose of the present invention is to provide a bisphenol production method in which, using a highly-versatile catalyst, a polycarbonate resin is decomposed with a high level of reactivity to produce bisphenol. Provided is a bisph...  
WO/2023/156339A1
The present invention relates to a polycarbonate composition comprising A) from 8 wt.% to 65 wt. % of a copolycarbonate, B) from 30 wt.% to 85 wt. % of a homopolycarbonate; C) from 0.06 wt.% to 0.30 wt.% of a fluorine-containing metal or...  
WO/2023/157910A1
This polycarbonate-based resin composition has a specific viscosity average molecular weight (MvPC) and contains a polycarbonate-based resin (S) that contains: a polycarbonate-polyorganosiloxane copolymer (S-1) that includes a polycarbon...  
WO/2023/152730A1
Embodiments of the present disclosure provide for the process of synthesis of polyester and its copolymers through (co)polymerization of cyclic esters and with other oxygenated monomers using amine-borane adduct. Embodiments of the prese...  
WO/2023/152575A1
Polycarbonate polymers comprising non-aromatic cyclic groups bonded with carbonate linking groups are described. A portion of the non-aromatic cyclic groups comprise a substituent having siloxane repeat units. Representative formulas of ...  
WO/2023/148566A1
A thermoplastic composition includes particular amounts of a polycarbonate; a brominated polycarbonate; a poly(aliphatic ester-carbonate); a silicone-containing impact modifier; and a flame retardant. Articles including the composition a...  
WO/2023/148086A1
The present invention is directed towards a composition comprising (A) at least one polymer comprising (a) a core that bears one to 50 moieties of the general formula (I), and groups of the general formula (II) wherein the asterisk stand...  
WO/2023/149329A1
This polycarbonate resin composition includes a carbonate structural unit (X) derived from an aromatic dihydroxy compound represented by formula (1) and a carbonate structural unit (Y) derived from an aromatic dihydroxy compound represen...  
WO/2023/148545A1
Provided are dual-task borinane-based catalysts comprising a compound of Formula I (I) wherein Y is an alkyl, aryl, cycloalkyl, or cycloaryl spacer; Z is a nitrogen or phosphorous atom; R is an alkyl, aryl, cycloalkyl, or cycloaryl group...  
WO/2023/142919A1
The present invention belongs to the technical field of polymer synthesis, and particularly relates to a polylactic acid graft copolymer, and a preparation method therefor and the use thereof. The polylactic acid graft copolymer is chara...  
WO/2023/144607A1
A method of decreasing aldehyde content in a polymeric material uses a compound (Z) which includes a moiety of formula (I): wherein each R1 and R2 independently represents a substituent, n1 is 0 to 4 and n2 is 0 to 4; wherein X is select...  
WO/2023/140247A1
This method for producing a polycarbonate diol includes a step for obtaining a polycarbonate diol by subjecting a dihydroxy compound and a carbonic acid ester as raw material monomers to polycondensation by means of a transesterification...  
WO/2023/135106A1
The present invention relates to a process for preparing a polycarbonate using electrophilic aromatic substitution, comprising a reaction of a diaryl carbonate with a structure of formula (I) and a primary alkyl halide with a structure o...  
WO/2023/135104A1
The presentation invention relates to a process for preparing a polycarbonate using electrophilic aromatic substitution including the reaction of chlorosulfonic acid together with a specific compound of formula (2).  
WO/2023/134011A1
Provided in the present disclosure are a binuclear Schiff base cobalt complex, and a preparation method therefor and the use thereof. The binuclear Schiff base cobalt complex has a structure as shown in formula (I). In formula (I), R1 an...  
WO/2023/135105A1
The present invention relates to a process for preparing a polycarbonate using electrophilic aromatic substitution, comprising a reaction of a diaryl carbonate with a structure of formula (I) and a dichloromethylbenzene with a structure ...  
WO/2023/131909A1
A polycarbonate composition, including 10-80 weight percent (wt%) of a homopolycarbonate, a poly(phthalate-carbonate), or a combination thereof; 10-30 wt% of a bromine-containing polycarbonate copolymer; 5-60 wt% of a poly(carbonate-silo...  
WO/2023/120559A1
The present invention makes it possible to provide a polycarbonate resin that contains a constituent unit (A) derived from a monomer represented by formula (1) and a constituent unit (B) derived from a monomer represented by formula (2),...  
WO/2023/121395A1
The present invention relates to a polycarbonate copolymer, a method for producing same, and a molded product comprising same, and more specifically, to: a polycarbonate copolymer exhibiting biodegradability and improved tensile strength...  
WO/2023/110654A1
The invention relates to a process for recovery of rubber-modified vinyl(co)polymer from a polycarbonate resin or an optionally shredded molded part made thereof wherein the polycarbonate resin comprises A) Polycarbonate based on aromati...  
WO/2023/110981A1
The present invention relates to an epoxy resin composition useful as thermoset for paint, coatings or adhesives comprising a polyepoxide derived from poly(limonene carbonate), a polymer produced from biomass (free from bisphenol A and a...  
WO/2023/100777A1
According to the present invention, it is possible to provide a polycarbonate resin composition which includes a structural unit (A) derived from a monomer represented by general formula (i) and a structural unit (B) derived from a monom...  
WO/2023/100778A1
According to the present invention, it is possible to provide an optical lens which contains a thermoplastic resin including a structural unit (A) derived from a monomer represented by general formula (1) and a structural unit (B) derive...  
WO/2023/094988A1
Thermoplastic compositions include: (a) a polyamide component including (1) a polyamide produced by the polycondensation of a diamine component containing 70 mol% or higher of m-xylylenediamine and a dicarboxylic acid component containin...  
WO/2023/083747A1
The present invention relates to the use of highly temperature-stable copolycarbonates as soluble supporting material in 3D printing, preferably in an FDM (fused deposition modeling) process. Poly(ether ketone ketone), poly(ether ether e...  
WO/2023/085340A1
The present invention can provide a polycarbonate resin comprising: a constituent unit (a) given by general formula (1-1A); a constituent unit (b) given by general formula (1-1A), but different from the constituent unit (a); a constituen...  
WO/2023/085339A1
The present invention can provide a thermoplastic resin comprising, with respect to the total amount (100 mol%) of constitutional units in the resin, 22-49 mol% constitutional unit (A) derived from a diol represented by general formula (...  
WO/2023/074439A1
The present invention provides a thermoplastic resin that has an appropriate refractive index and Abbe number and that has excellent heat resistance and heat resistance stability, and an optical member that comprises the thermoplastic re...  
WO/2023/074738A1
The present invention provides a polycarbonate resin composition which comprises a carbonate structural unit (X) that is derived from an aromatic dihydroxy compound represented by formula (1), a carbonate structural unit (Y) that is deri...  
WO/2023/072843A1
The invention concerns a surface-active agent comprising a polycarbonate block polyether of the formula (I): Z1-(PC)P-(PE)Q-Z2 (I), wherein PC represents a carbonate block with P repeat units of formula (II), (II), wherein Re1, Re2, Re3,...  
WO/2023/074576A1
The present invention relates to: a polycarbonate resin containing a structural unit (A), a structural unit (B), and a structural unit (C); a molded article obtained using the polycarbonate resin; a film; a retardation film; and a method...  
WO/2023/072826A1
The invention concerns a composition comprising a polycarbonate block polyether of the formula (I) Z1-(PC)P-(PE)Q-Z2 wherein PC represents a carbonate block with P repeat units of formula (II) wherein Re1, Re2, Re3, and Re4 are independe...  
WO/2023/074471A1
The present invention provides a thermoplastic resin that can provide balance among a high refractive index, high heat resistance, and low birefringence, and also provides an optical member that contains this thermoplastic resin. The the...  
WO/2023/074830A1
The present invention relates to an aromatic polycarbonate resin which comprises a repeating unit represented by formula (II). (In formula (II), R11, R12, R13, c, d and n are as defined above.)  

Matches 51 - 100 out of 9,014